Growth Responses of Alfalfa and Sudangrass in Relation to Cutting Practices and Soil Moisture<sup>1</sup>

Dennis, Robert E.; Harrison, C. M.; Erickson, A. E.

doi:10.2134/agronj1959.00021962005100100016x

Cited by 5 publications

(2 citation statements)

References 6 publications

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“…Management research with sudangrass is typified by several excellent studies (4,8,9,14,19). Comparisons of 'Piper' sudangrass to a forage sorghum have been reported (6, 1 0) while sudangrasses along with other annual forages have also been studied (3,11,16,22).…”

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Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency¹

Wedin¹

1970

Agronomy Journal

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‘Piper’ sudangrass, a sudangrass hybrid ‘Trudan II,’ and six sorghum ✕ sudangrass hybrids were variously managed in 1965 and 1966 to provide yield and compositional data. At heights of 46 cm (management A), five harvests resulted; at 92 cm (B), three harvests; at 137 cm (C), two harvests; and hard dough (D), one harvest. Percentages of crude protein and in vitro digestible dry matter (IVDDM) were highest for frequently harvested forage. Yields of dry matter, crude protein, and IVDDM were 27, 10, and 22% greater, respectively, for A (5 harvests) over B (3 harvests). Comparing B to C (3 to 2 harvests) total crude protein yields decreased 4% but dry matter and IVDDM yields increased 23 and 18%, respectively. From C to B (2 to 1 harvest) yields of dry matter, crude protein, and IVDDM were 86% more, 17% less, and 52% more, respectively. Piper was generally inferior to either Trudan II or one or more of the sorghum ✕ sudangrass hybrids. Trudan II was significantly higher yielding in dry matter, crude protein, and IVDDM over all managements as compared to Piper. Over all managements, Trudan II was significantly higher in crude protein yield than the mean of six sorghum ✕ sudangrass hybrids whereas differences in yields of dry matter and IVDDM were not significant. Sorghum ✕ sudangrass hybrids were definitely superior under D (1 harvest) management. While the sorghum ✕ sudangrass hybrids and Trudan II were both superior to Piper under multiple harvest (A,B,C managements), the sudangrass hybrid (Trudan II) should be given strong consideration because of its known advantage in lower prussic acid potential.

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confidence: 99%

Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency¹

Wedin¹

1970

Agronomy Journal

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“…Defoliation has reduced herbage production ( 4,9), root growth ( 3), and the soil depth that moisture could be extracted by the plant ( 2, 5,6). Most reports indicate that the more frequent and severe the clipping treatment the lower the production of shoots, rhizomes, and roots.…”

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Soil Moisture Extraction Trends of Several Legume‐Grass Mixtures as Affected by Cutting Frequency and Nitrogen Fertilization¹

Wolf¹

1964

Agronomy Journal

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Synopsis Soil moisture extracted under mixtures cut 3 times was less at the 12‐inch soil depth, but greater at the 48‐inch depth, than with 5 cuttings. Extraction under alfalfa‐grass mixtures receiving nitrogen was greater at 12 inches, but usually less at 48 inches, than under mixtures receiving no nitrogen. Mixtures containing alfalfa extracted less soil moisture at 12 inches, but more at 48 inches, than mixtures containing birdsfoot trefoil or ladino clover.

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Responses of individual plants to harvesting

1963

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Growth Responses of Alfalfa and Sudangrass in Relation to Cutting Practices and Soil Moisture¹

Cited by 5 publications

References 6 publications

Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency¹

Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency¹

Soil Moisture Extraction Trends of Several Legume‐Grass Mixtures as Affected by Cutting Frequency and Nitrogen Fertilization¹

Responses of individual plants to harvesting

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Growth Responses of Alfalfa and Sudangrass in Relation to Cutting Practices and Soil Moisture1

Cited by 5 publications

References 6 publications

Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency1

Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency1

Soil Moisture Extraction Trends of Several Legume‐Grass Mixtures as Affected by Cutting Frequency and Nitrogen Fertilization1

Responses of individual plants to harvesting

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Product

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About

Growth Responses of Alfalfa and Sudangrass in Relation to Cutting Practices and Soil Moisture¹

Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency¹

Digestible Dry Matter, Crude Protein, and Dry Matter Yields of Grazing‐Type Sorghum Cultivars as Affected by Harvest Frequency¹

Soil Moisture Extraction Trends of Several Legume‐Grass Mixtures as Affected by Cutting Frequency and Nitrogen Fertilization¹